Base | Representation |
---|---|
bin | 100011011111001000000100… |
… | …1100010011011001101111101 |
3 | 1111221012102000010210122122011 |
4 | 1012332100021202123031331 |
5 | 311403110141011122141 |
6 | 3023511404505251221 |
7 | 122514313000213645 |
oct | 10676201142331575 |
9 | 1457172003718564 |
10 | 312141203223421 |
11 | 90504382795a90 |
12 | 2b013081493b11 |
13 | 10522a34a390c0 |
14 | 5711a01771525 |
15 | 2614797e26881 |
hex | 11be40989b37d |
312141203223421 has 32 divisors (see below), whose sum is σ = 374625235353600. Its totient is φ = 256287213382080.
The previous prime is 312141203223407. The next prime is 312141203223481. The reversal of 312141203223421 is 124322302141213.
It is a cyclic number.
It is not a de Polignac number, because 312141203223421 - 235 = 312106843485053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312141203223481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15662670 + ... + 29489008.
It is an arithmetic number, because the mean of its divisors is an integer number (11707038604800).
Almost surely, 2312141203223421 is an apocalyptic number.
It is an amenable number.
312141203223421 is a deficient number, since it is larger than the sum of its proper divisors (62484032130179).
312141203223421 is a wasteful number, since it uses less digits than its factorization.
312141203223421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13829769.
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 312141203223421 its reverse (124322302141213), we get a palindrome (436463505364634).
The spelling of 312141203223421 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred three million, two hundred twenty-three thousand, four hundred twenty-one".
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